I did 2 versions of this on in HOO and the other in SHO using mono
channel from the Optolong L-extreme as a synthetic Sulphur channel
ZWO 294MC Pro
TS APO 130 reduced x0.75
10 hours of 300 and 600 second subs
ZWO asiair
Skywatcher NEq6 Mount
Astropixel processor for channel separation and stacking
Photoshop
Astrobin for SHO